Sync), performed by Tricot, while the ending theme song is "Hyōjō Sabun" (表情差分, Facial Expression), performed by Dustcell. Crunchyroll streamed the series...

The latitudinally equal-differential polyconic projection (等差分纬线多圆锥投影) is a polyconic map projection in use since 1963 in mainland China. Maps on this...

called the Finite difference method based on variation principles (基于变分原理的差分方法). This method was also independently invented in the West, and is more widely...